<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../react18/react.development.js"></script>
    <script src="../react18/react-dom.development.js"></script>
    <script src="../react18/babel.min.js"></script>

</head>

<body>
    <div id="app"></div>
    <script type="text/babel">
        //jsx语法1：虚拟DOM 中要混入js表达式 要用{} {}中只能写变量或者表达式 v
        //不能书写语句(表达式有返回值,语句没有返回值)
        const title = "jsx"
        const hot = false;
        const isActive = true;
        const vDOM = (
            <div className='outer'>
                <h1>{title}</h1>
                <p>jsx好烦</p>
                <p className={isActive ? "active" : ""}>今天的天气真{hot ? '热' : '冷'}</p>
            </div>
        )

        //创建容器 渲染虚拟DOM
        ReactDOM.createRoot(document.getElementById('app')).render(vDOM)
    </script>
</body>

</html>